12120204 has 24 divisors (see below), whose sum is σ = 28392448. Its totient is φ = 4024080.

The previous prime is 12120181. The next prime is 12120223. The reversal of 12120204 is 40202121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12120204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389 + ... + 5115.

Almost surely, 2^12120204 is an apocalyptic number.

It is an amenable number.

12120204 is an abundant number, since it is smaller than the sum of its proper divisors (16272244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120204 is a wasteful number, since it uses less digits than its factorization.

12120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12120204 is about 3481.4083357170. The cubic root of 12120204 is about 229.7047503264.

Adding to 12120204 its reverse (40202121), we get a palindrome (52322325).

The spelling of 12120204 in words is "twelve million, one hundred twenty thousand, two hundred four".